On this page, we will guide you on downloading and installing the official firmware file on Realme 12 Pro 5G RMX3842. This tutorial is easy to follow. Realme 12 Pro 5G is powered by a Qualcomm SM6450 Snapdragon 6 Gen 1 processor powered by Android 14 under Realme UI 5.0.
If you are facing software issues such as WiFi or Bluetooth issues, lag, boot loop, or hard brick, you can fix the device by following this tutorial. Using the firmware file lets you bypass FRP lock, pattern lock, downgrade, or upgrade, and you can fix most software glitches by flashing the stock firmware.
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Realme 12 Pro 5G Specification:
The Realme 12 Pro 5G, launched in January 2024, is a feature-packed smartphone designed for users seeking premium performance and design at a competitive price. The device features a sleek build with dimensions of 161.5 x 74 x 8.8 mm and a weight of 190 g, making it both sturdy and comfortable to hold. It is also IP65 dust and water-resistant, adding durability to its elegant design.
The Realme 12 Pro 5G boasts a 6.7-inch AMOLED display with a 120Hz refresh rate, delivering smooth visuals and vibrant colors. The screen supports 1 billion colors and offers peak brightness up to 950 nits, ensuring clarity even in bright sunlight. Powered by the Qualcomm Snapdragon 6 Gen 1 chipset, coupled with up to 12GB of RAM and 512GB of internal storage, the device promises robust performance for multitasking, gaming, and more. However, it does not include a microSD card slot for expandable storage.
Photography enthusiasts will appreciate the triple-camera setup on the Realme 12 Pro 5G, which includes a 50 MP main sensor with optical image stabilization (OIS) for sharp, steady shots, a 32 MP telephoto lens with 2x optical zoom, and an 8 MP ultra-wide camera. The camera system supports 4K video recording and various shooting modes, making it versatile for different scenarios. On the front, a 16 MP selfie camera handles video calls and self-portraits effectively.
The phone’s audio capabilities are enhanced by stereo speakers and Hi-Res audio support, though it lacks a 3.5mm headphone jack. Connectivity options include Wi-Fi 6, Bluetooth 5.2, NFC (market-dependent), and a USB Type-C 2.0 port. The device is equipped with a 5000 mAh battery, supporting 67W fast charging, capable of reaching 50% in just 19 minutes, ensuring minimal downtime. Running on Android 14 with Realme UI 5.0, the Realme 12 Pro 5G provides a smooth and customizable user experience.
Advantages of Installing Stock ROM
Here are some of the advantages of installing firmware files on your Realme 12 Pro 5G RMX3842:
- If your device is dead, you can unbrick using the Stock ROM file
- You can fix or repair the IMEI on your device using DB files from Stock ROM
- Remove any malware or Adwares from Realme 12 Pro 5G
- You can fix the boot loop issue on Realme 12 Pro 5G
- Fix Unfortunately, the app has stopped errors on Realme 12 Pro 5G
- Fix Network related issue
- Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
- You can unroot Realme 12 Pro 5G
- To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
- Restore Realme 12 Pro 5G back to Factory State
Firmware Details
- Device Name: Realme 12 Pro 5G RMX3842
- Gapps File: Included
- Tool Supported: Qualcomm Flash Tool
- Processor: Qualcomm SM6450 Snapdragon 6 Gen 1
- Android OS: 14.0
Steps to Install Stock Firmware on Realme 12 Pro 5G RMX3842
Now, before we get straight to the Steps to Install Stock Firmware on Realme 12 Pro 5G RMX3842, let us take a look at some of the prerequisites.
Pre-Requirements:
- Supported device: Realme 12 Pro 5G RMX3842
- Make sure to charge your device more than 50%
- You need a PC or Laptop with a USB cable.
- Take a complete backup using any method given below
- Download Drivers and Tools: Qualcomm drivers, QPST Flash Tool, and Realme USB Drivers
Realme 12 Pro 5G RMX3842 Flash Files
| Software Update | Download Link |
| File Name: Realme_12_Pro_5G_RMX3842_EX_11_14.0.0.805EX01_240329_QFIL
File Size: 7.49 GB Android: 14.0 |
Download |
| File Name: Realme_12_Pro_5G_RMX3842_EX_11_14.0.0.608EX01_240228_QFIL
File Size: 7.30 GB Android: 14.0 |
Download |
| File Name: Realme_12_Pro_5G_RMX3842_EX_11_A.26_240129_QFIL
File Size: 7.30 GB Android: 14.0 |
Download |
Method 1: Instructions to Install via Recovery:
First, you can try the official method to install the OTA stock ROM update via Realme device recovery.
Method 2: Instructions to Install via QFIL Tool:
Download the Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using the QFIL tool
Guide to Install Stock ROM using QFIL Tool
Guide to Install Stock ROM using QPST Tool
Method 3: Instructions to Install via MSM Download tool:
- Download the MSM Download tool, firmware, and drivers on your PC.
- Now install the USB drivers.
- Place the MSM download tool and firmware in the same folder
- Open the MSM download tool and connect your device to a PC/Laptop
- Once you connect, it will automatically load the firmware; if not, select it manually.
- Click on the start button and wait patiently to complete the installation process.
- Once it is done! Remove your device from the PC. That’s it!
So that’s it, guys; this was our take on How to flash the firmware file on Realme 12 Pro 5G. We hope that you found this post useful. Let us know what you guys think about it in the comments below.